computer science

Mir:ror

Mir:ror is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Mir:ror rather than just read about it. In short: Mir:ror is a personal RFID reader that connects to a personal computer via a USB port. It was presented at the Internationale Funkausstellung Berlin in September 2008 and is produced by Violet, which also produces the Nabaztag.

Key takeaways

Mir:ror belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Mir:ror to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mir:ror from memory before moving on to harder problems.

Reference excerpt

Mir:ror is a personal RFID reader that connects to a personal computer via a USB port. It was presented at the Internationale Funkausstellung Berlin in September 2008 and is produced by Violet, which also produces the Nabaztag. It is designed to work with Violet-produced RFID tags (Ztamps) which are industry standard ISO/IEC 14443 type A or B. When a tagged object is moved near the RFID reader, the reader will prompt the computer to do something, such as opening a related website.

Award Mir:ror was awarded a Star at the Design Observeur 2009.

Worked examples

Example 1 — a first encounter with Mir:ror

Start with the simplest possible case. Write down what Mir:ror claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Mir:ror before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Mir:ror ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Mir:ror

In research: Mir:ror appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Mir:ror in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Mir:ror is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer hardware stubs, Computing input devices, Consumer electronics, so understanding it makes those chapters shorter.
In everyday life: Look for Mir:ror outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Mir:ror in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mir:ror means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Mir:ror out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mir:ror in simple terms?

Why does Mir:ror matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Mir:ror?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Mir:ror.